WONIK PNE Co., Ltd. engages in the provision of automation equipment for secondary batteries. It operates through the following divisions: Secondary Battery Equipment, Power Supply Unit, and Charging Infrastructure. The Secondary Battery Equipment division relates to activation, assembly process, and research and development. The Power Supply Unit division is involved in rectifiers for power plants and industrial use. The Charging Infrastructure division refers to the charger for electric vehicles. The company was founded on November 10, 1999 and is headquartered in Suwon-si, South Korea.